Sample Ci-18

NavDat sample number 57607 · BASALT

Sample

Sample ID	Ci-18
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	[3 - 5 m.y.] These basalts are characterized by their uniformly high Nd values 7.7 to 9.3 and generally low, but variable, 87Sr/86Sr ratios 0.7028 to 0.7040. From the northern half of the volcanic field.

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4.76		4.284	5.236

Item	Value	Unit	Method
SIO2	52.9	WT%	XRF
AL2O3	17.4	WT%	XRF
CAO	6.85	WT%	XRF
MGO	4.44	WT%	XRF
NA2O	4.28	WT%	XRF
K2O	2.38	WT%	XRF
FEOT	8.88	WT%	WET
MNO	0.17	WT%	XRF
TIO2	1.95	WT%	XRF
P2O5	0.78	WT%	XRF
H2O_PLUS	0.7	WT%	WET
H2O_MINUS	0.47	WT%	WET
CO2	0.14	WT%	WET
RB	37.3	PPM	UNKNOWN
SR	575	PPM	MS
SM	8.6	PPM	UNKNOWN
ND	43.7	PPM	MS
PB	2.2	PPM	UNKNOWN
SR87_SR86	0.70313		MS
ND143_ND144	0.51308		MS
SR87_SR86_INITIAL	0.70312		MS
PB206_PB204	18.832		UNKNOWN
PB207_PB204	15.52		UNKNOWN
PB208_PB204	38.582		UNKNOWN